name: Common Python + Poetry Setup

inputs:
  dependency-groups:
    description: 'A comma-separated list of dependency groups to install'
    default: 'main'
  python-version:
    description: 'The Python version to use'
    default: '3.10'

runs:
  using: 'composite'

  steps:
    - name: Set up Python
      uses: actions/setup-python@v5
      with:
        python-version: ${{ inputs.python-version }}

    - name: Get cache key
      id: cache-key
      shell: bash
      run: |
        key=$(echo "${{ inputs.dependency-groups }}" | sed 's/,/+/')
        echo "key=$key" >> "$GITHUB_OUTPUT"

    - name: Load cached venv
      id: cache-dependencies
      uses: actions/cache@v4
      with:
        path: .venv
        key: venv-${{ runner.os }}-python-${{ inputs.python-version }}-groups-${{ steps.cache-key.outputs.key }}-${{ hashFiles('**/poetry.lock') }}

    - name: Install dependencies
      if: steps.cache-dependencies.outputs.cache-hit != 'true'
      shell: bash
      run: |
        python -m pip install poetry
        poetry config virtualenvs.in-project true
        poetry install --with ${{ inputs.dependency-groups }}